Home / 157,975,969.97-217,987,737.32-91,016,833.59

Finding the Fourth Proportional to 157,975,969.97, 217,987,737.32 and 91,016,833.59

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Solution

The fourth proportional to 157,975,969.97, 217,987,737.32 and 91,016,833.59 is: 125,592,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,975,969.97 : 217,987,737.32 = 91,016,833.59 : x
  2. Step 2: Convert to fraction form
    157,975,969.97/217,987,737.32 = 91,016,833.59/x
  3. Step 3: Cross multiply
    157,975,969.97x = 217,987,737.32 × 91,016,833.59
  4. Step 4: Simplify right side
    157,975,969.97x = 19,840,553,611,859,988
  5. Step 5: Solve for x
    x = 19,840,553,611,859,988/157,975,969.97
  6. Step 6: Final answer
    x = 125,592,225.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.